Replacement Casters for 7034 Set of 4 Hydrocollator Moist Heat Packs Massage on the various parts Color:Yellow Massage on the various parts of your body promotes blood circulation stimulates the secreation of the lymph fluids and activates your metabolism * Full Leg XL 30 Length The Digi Extend© is a unique therapy device that can isolate the extension of all five fingers and each of the individual finger joints * The Digi Extend© focuses on the extensor mechanism of one or all fingers as it targets the area of the hand that needs rehabilitation * Four color coded band resistance levels allow each muscle or joint to work at a comfortable level and build as increased strength is achieved * Includes 4 Digi Extend units 1metal rack 20 tan (xx light) 16 yellow (x light) 12 red (light) 8 green (medium) latex free elastic bands and a pamphlet * HD Casters Have Threaded Stem For Extra Security And Safety Replacement Caster 3 x 1 1 4